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/etc/nova/nova.conf
nova-rootwrap1
Root wrapper daemon for the openstack compute service.
Usage
nova-rootwrap CONFIG_FILE COMMAND
Overview
nova-rootwrap is an application that filters which commands nova is allowed to run as another user.
To use this, you should set the following in nova.conf:
rootwrap_config=/etc/nova/rootwrap.conf
You also need to let the nova user run nova-rootwrap as root in sudoers:
nova ALL = (root) NOPASSWD: /usr/bin/nova-rootwrap /etc/nova/rootwrap.conf *
To make allowed commands node-specific, your packaging should only install {compute,network}.filters respectively on compute and network nodes, i.e. nova-api nodes should not have any of those files installed.
NOTE:
nova-rootwrap is being slowly deprecated and replaced by oslo.privsep, and will eventually be removed.
Files
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/etc/nova/rootwrap.conf
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/etc/nova/rootwrap.d/
Releases
6 releases since Debian 8 (Jessie); the text changed 5 times.